Facebook’s Oversight Board issues first-ever rulings, which Facebook said it will abide by, overturning four out of the five cases it reviewed (Dylan Byers/NBC News)


Facebook adds opt-in biometric fingerprint, face, or iris scan authentication for WhatsApp on desktop or web  —  WhatsApp, the Facebook-owned popular messaging app with more than 2 billion users, has been getting a lot of heat and losing users in recent weeks after announcing (and then delaying) changes to how it uses your data.